The Age of Ashes Adventure Path continues! The heroes have claimed the citadel atop Hellknight Hill as their own, but a ring of magical portals in the castle basement could allow cultists from the southern jungles to invade again at any moment. The PCs must travel through the first of these portals to ally with new friends and face off against the dragon-worshiping Cult of Cinders before the villains can bring powerful forces of destruction to bear!...